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Porth Ceriad Surf Forecast
/ Wales – Lleyn (14 surf breaks) /
Surf Forecasts:
Porth Ceriad surfForecast / Wales – Lleyn / UK
48hr Weather and Surf, issued 12 am Monday 11 May 2026 BSTForecast update in hr min s Forecast update imminent
Porth Ceriad surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porth Ceriad sea temperature is
12.0° C
(Which is 1.6°C warmer than normal for this time of year)How big are the waves at Porth Ceriad today?
The current surf forecast for Porth Ceriad at 8AM is: 0.1m 9s primary swell from a Southwest direction (forecast issued at 12:00am May 11). An open ocean swell of 1.1m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 0.5ft (0.1m) | 9s |
| Afternoon (11 May) | 0.5ft (0.1m) | 9s |
| Evening (11 May) | 0.5ft (0.1m) | 9s |
Table - waves today at Porth Ceriad. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Mon morning. Very mild (max 12°C on Tue night, min 8°C on Mon afternoon). Winds increasing (light winds from the N on Mon night, strong winds from the WNW by Tue night). | ||||||||||||||||||||||||
Monday 11 | Tuesday 12 | Wednesday 13 | ||||||||||||||||||||||
1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
NNW 3 | NNW 3 | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | W 9 | SW 8 | SW 9 | SW 9 | SW 9 | W 18 | W 18 | NW 5 | SW 18 | SW 8 | SW 8 | WNW 6 | WNW 6 | WNW 6 | SW 16 | WSW 7 | WSW 7 | |
0 | 0 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 7 | 6 | 20 | 12 | 3 | 3 | 0 | 330 | 249 | 10 | 40 | 29 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | cross-off | off | off | off | off | off | cross-off | cross | cross-off | cross-off | cross-off | cross | cross-on | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | off | |
High Tide | 3:48AM3.15m | 4:37PM2.93m | 5:00AM3.35m | 5:41PM3.23m | 5:57AM3.67m | 6:31PM3.61m | ||||||||||||||||||
Low Tide | 10:21PM1.50m | 11:13AM1.23m | 11:28PM1.38m | 12:12PM1.00m | 00:29AM1.17m | 1:06PM0.74m | ||||||||||||||||||
 |  |  |  |  | | | | | | |  | | | | | |  | | | | | | | |
 | — | 5:28 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:00 | — | — | — | — | — | — | — | 9:02 | — | — | — | — | — | — | — | 9:04 | — |
— | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | 1 | — | — | |
Temp °C | 9 | 9 | 9 | 9 | 10 | 10 | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 11 | 11 | 12 | 10 | 10 | 9 | 9 | 10 | 10 | 10 | 10 |
5 | 2 | 2 | 1 | 2 | 2 | 1 | 4 | 4 | 4 | 4 | 3 | 4 | 7 | 5 | 4 | 1 | 1 | -1 | -1 | 1 | 2 | 2 | 0 | |
Swell 1 Height (m) Direction Period (s) | — | — | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | SW 8 | NNW 4 | SW 9 | SW 9 | SW 9 | SW 8 | WSW 4 | NW 5 | SW 8 | SW 8 | SW 8 | — | W 16 | SW 16 | SW 16 | WSW 7 | WSW 7 |
 kJ | — | — | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 20 | 3 | 3 | 3 | — | 5 | 10 | 10 | 40 | 29 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 9 | SW 8 | — | — | — | W 18 | SW 8 | SW 8 | SW 18 | — | — | — | — | — | — | SW 16 | SW 16 |
| kJ | — | — | — | — | — | — | — | 1 | 3 | — | — | — | 7 | 3 | 3 | 12 | — | — | — | — | — | — | 10 | 10 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | W 18 | W 18 | W 18 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 6 | 6 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 3 | NNW 3 | NW 4 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 4 | — | NW 3 | WNW 3 | NW 4 | NW 4 | NW 5 | WSW 4 | WNW 5 | WNW 5 | WNW 5 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | NW 6 | NNW 6 |
| kJ | 4 | 7 | 40 | 87 | 58 | 62 | 40 | 14 | — | 2 | 3 | 10 | 37 | 35 | 1 | 21 | 61 | 143 | 238 | 330 | 249 | 158 | 120 | 114 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 195 | 223 | 271 | 303 | 36 | 319 | 319 | 114 | 200 | 191 | 200 | 316 | 412 | 317 | 322 | 317 | 314 | 318 | 639 | 651 | 954 | 1185 | 891 | 370 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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